S
M
T
W
T
F
S
26
64°
39°
27
68°
41°
28
59°
41°
29
63°
39°
30
66°
46°
1
N/A
2
69°
54°
3
63°
47°
4
61°
45°
5
58°
43°
6
56°
41°
7
58°
40°
8
60°
46°
9
63°
47°
10
60°
47°
11
60°
46°
12
60°
44°
13
59°
45°
14
58°
40°
15
61°
47°
16
61°
48°
17
62°
47°
18
63°
48°
19
61°
47°
20
59°
46°
21
59°
45°
22
60°
43°
23
61°
44°
24
61°
45°
25
59°
42°
26
59°
44°
27
61°
48°
28
62°
49°
29
66°
50°
30
64°
45°
31
59°
44°
1
59°
43°
2
60°
43°
3
59°
45°
4
60°
44°
5
60°
44°
6
61°
46°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
May Weather in Millbrook
Millbrook's May 2026 forecast shows daily high temperatures ranging from 56° to 69°, with overnight lows between 40° and 54°. The average high for May is 61° with an average low of 45°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how May weather will actually feel in Millbrook. See also: June | July | August.